20120151916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{4327}}^1$

素因数の和:4487

約数の個数: 96

約数和(自身を含む): 40572403200

約数和(自身を除く): 20452251284

約数列:

[1, 2, 4, 17, 19, 34, 38, 59, 61, 68, 76, 118, 122, 236, 244, 323, 646, 1003, 1037, 1121, 1159, 1292, 2006, 2074, 2242, 2318, 3599, 4012, 4148, 4327, 4484, 4636, 7198, 8654, 14396, 17308, 19057, 19703, 38114, 39406, 61183, 68381, 73559, 76228, 78812, 82213, 122366, 136762, 147118, 164426, 244732, 255293, 263947, 273524, 294236, 328852, 510586, 527894, 1021172, 1055788, 1162477, 1397621, 2324954, 2795242, 4339981, 4487099, 4649908, 4850567, 5014993, 5590484, 8679962, 8974198, 9701134, 10029986, 15572873, 17359924, 17948396, 19402268, 20059972, 31145746, 62291492, 82459639, 85254881, 164919278, 170509762, 264738841, 295884587, 329838556, 341019524, 529477682, 591769174, 1058955364, 1183538348, 5030037979, 10060075958, 20120151916]

約数ペア:

[(1, 20120151916), (2, 10060075958), (4, 5030037979), (17, 1183538348), (19, 1058955364), (34, 591769174), (38, 529477682), (59, 341019524), (61, 329838556), (68, 295884587), (76, 264738841), (118, 170509762), (122, 164919278), (236, 85254881), (244, 82459639), (323, 62291492), (646, 31145746), (1003, 20059972), (1037, 19402268), (1121, 17948396), (1159, 17359924), (1292, 15572873), (2006, 10029986), (2074, 9701134), (2242, 8974198), (2318, 8679962), (3599, 5590484), (4012, 5014993), (4148, 4850567), (4327, 4649908), (4484, 4487099), (4636, 4339981), (7198, 2795242), (8654, 2324954), (14396, 1397621), (17308, 1162477), (19057, 1055788), (19703, 1021172), (38114, 527894), (39406, 510586), (61183, 328852), (68381, 294236), (73559, 273524), (76228, 263947), (78812, 255293), (82213, 244732), (122366, 164426), (136762, 147118)]